/**
 * Copyright (C) 2007 The AsyncMail Group <asyncmail@googlegroups.com>
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *         http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.googlecode.asyncmail.smtp.filter;

import org.apache.mina.common.IoSession;

import com.googlecode.asyncmail.smtp.SMTPResponse;

/**
 * Filter which check if valid Object are used
 */
public class ResponseValidationFilter extends AbstractValidationFilter {

    @Override
    public void messageSent(NextFilter arg0, IoSession arg1, Object arg2)
            throws Exception {
        if (arg2 instanceof SMTPResponse) {
            super.messageReceived(arg0, arg1, arg2);
        } else {
            // TODO check what to do when we receive an invalid object.
            getLogger().error(
                    "The Sent object is not an instance of SMTPResponseImpl");
            /* this is probably wrong
            WriteRequest req = new WriteRequest(new SMTPResponseImpl(
                    SMTPRetCode.TRANSACTION_FAILED,
                    "Cannot handle Response of type "
                            + (arg2 != null ? arg2.getClass() : "NULL")));
            arg0.filterWrite(arg1, req);
            */
        }
    }
}
